Comparison of Colon Adenoma Detection Rate Using Two Distal Colonoscope Attachments

Inclusion Criteria: * At least 50 years old * Presenting for a screening or surveillance colonoscopy at UC Davis Endoscopy Suites Exclusion Criteria: * Age less than 50 years * Prior history of colon cancer * Patients with inflammatory bowel disease * Patients suspected to have colon cancer based on non invasive tests such as stool tests for hemoglobin or DNA, or imaging finding suggestive of colon cancer (CT or barium enema). * Patients undergoing colonoscopy for evaluation of symptoms such as abdominal pain, rectal bleeding, diarrhea, constipation, etc, or patient with iron deficiency anemia suspected to be due to ongoing bleeding inside the colon * Patients with family history of colon cancer in 1st degree relative below the age of 60 * Patients with family history of hereditary polyposis syndromes such as Lynch syndrome, familial adenomatous polyposis etc, which are associated with an increased risk of colon cancer * Patients unable to consent * Pregnant patients * Incarcerated patients * Non-English speakers